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move to sidebar hide (Top) 1 Notes. 2 References. ... Beginning of leaf fall 95: 50% of leaves discoloured or fallen 97: All leaves fallen 99: Harvested product Notes
The blackcurrant leaf midge can cause browning, crimping and distortion of leaves at the tips of shoots but it is seldom a serious problem. The blackcurrant sawfly (Nematus ribesii) lays its eggs on the underside of the leaves and the voracious larvae work their way along the shoots, stripping off leaf after leaf. In a serious attack, the bush ...
Ribes americanum is a North American species of flowering plant in the gooseberry family known as wild black currant, [1] [3] [4] [5] American black currant, [6] and eastern black currant. [7] It is widespread in much of Canada (from Alberta to Nova Scotia ) and the northern United States (from New England to Washington , with additional ...
Ribes (/ ˈ r aɪ b iː z /) [5] is a genus of about 200 known species of flowering plants, most of them native to the temperate regions of the Northern Hemisphere. [2] The species may be known as various kinds of currants, such as redcurrants, blackcurrants, and whitecurrants, or as gooseberries, and some are cultivated for their edible fruit or as ornamental plants.
The heat of summer is behind us, and the cold of winter hasn't yet arrived. So enjoy the cool temps while taking in the fall colors.
By using fall-blooming perennials, you can keep your garden beds interesting during the cold months.
There was a demand to have gooseberry-type fruits on thornless plants, and the first successful attempt to cross blackcurrant (R. nigrum) with European gooseberry (R. uva-crispa) was carried out by William Culverwell in Yorkshire, England in 1880. [3] This hybrid was termed Ribes × culverwellii and was nearly sterile. [4]
The species is divided into two varieties, [4] each known simultaneously as northern black currants, and by their own individual common, and scientific names; the type variety, R. h. var. hudsonianum, is also known as the Hudson Bay currant; [4] [7] whereas R. h. var. petiolare is also known as the western black currant.